<!DOCTYPE html>
<title>Reference for position:sticky elements should properly interact with margins</title>

<style>
.group {
  display: inline-block;
  position: relative;
  width: 180px;
  height: 400px;
}

.scroller {
  width: 150px;
  height: 300px;
  overflow-y: scroll;
  overflow-x: hidden;
}

.indicator {
  position: relative;
  background-color: green;
  margin: 15px;
}

.box {
  width: 100px;
  height: 100px;
}

.padding {
  height: 385px;
}
</style>
<script>
window.addEventListener('load', function() {
  document.getElementById('scroller1').scrollTop = 0;
  document.getElementById('scroller2').scrollTop = 60;
  document.getElementById('scroller3').scrollTop = 120;
});
</script>

<div class="group">
  <div id="scroller1"  class="scroller">
    <div class="indicator box" style="top: 0;"></div>
    <div class="padding"></div>
  </div>
</div>

<div class="group">
  <div id="scroller2"  class="scroller">
    <div class="indicator box" style="top: 50px;"></div>
    <div class="padding"></div>
  </div>
</div>

<div class="group">
  <div id="scroller3"  class="scroller">
    <div class="indicator box" style="top: 85px;"></div>
    <div class="padding"></div>
  </div>
</div>

<div>You should see three green boxes above. No red should be visible.</div>
